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    1. Vitamin D Vitamin made in the skin from sunlight, also taken as a supplement
    2. Biotin B vitamin, often sold as a hair supplement
    3. Melatonin Hormone that regulates sleep, sold as a supplement
    4. Spironolactone Blood-pressure and diuretic drug with anti-androgen effects
    5. Neem Oil Oil from the neem tree, used in traditional remedies